International Data Exchange Service (IDES)

The International Data Exchange Service (IDES) will serve as the single point of delivery for both Financial Institutions (FIs) and Host Country Tax Authorities (HCTA) to electronically exchange FATCA data with the United States. IDES will also enable the United States to make reciprocal exchanges as described in the Intergovernmental Agreements (IGA). 

This website is to enroll an FI or HCTA on to the IDES system. You will need the following to enroll for an IDES username and password:

  • The IRS Public Key was updated on 12/02/2021. You will need to download the new IRS Public Key to submit a file.
    Please click on “IRS Public Key” in the menu bar above, to download the new IRS Public Key.
  • Your Foreign Financial Institution GIIN or Host Country Tax Authority Username
  • A valid email address from your FI or HCTA
  • An Authorized Security Certificate

Learn More on the Enrollment Process